Comparison

OpenSprinkler vs TM+ Pro

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

OpenSprinkler

Control your OpenSprinkler irrigation system remotely. Monitor device status, modify watering schedules, and launch programs instantly. Features manual testing, multi-device support, and weather integration.

Highlights
  • Device status monitoring
  • Program modification
  • Instant program launch
  • Manual testing mode
  • Multi-device support
  • Weather and forecast integration
  • Log data visualization
Features
Read full description

The application allows you to automatically detect and control your OpenSprinkler irrigation system(s). OpenSprinkler is an open-source Internet web-based sprinkler timer / controller built upon the Arduino platform. Features of the app include: * Easy to understand device status * Quick program modification * Launch ad-hoc or defined programs instantly * Manual mode for convenient testing * Multi-device support * View visual representation of upcoming scheduled programs * View graphical and tabulated representation of log data * View current weather and forecast status for the device location * Change and disable rain delay * Multiple supported languages (Afrikaans, Amharic, Chinese, Czech, Dutch, French, German, Hebrew, Hungarian, Italian, Mongolian, Norwegian, Polish, Portuguese, Slovak, Slovenian, Spanish and more) This application requires you to own an OpenSprinkler that is properly connected to your network. For more information please visit https://opensprinkler.com. You can control your device from outside the local network with proper port forwarding and use of the WAN IP within the application or by using a VPN. For further assistance please visit the forums: https://forums.opensprinkler.com This is open source software: source code for this application can be found at https://github.com/OpenSprinkler/OpenSprinkler-App

About

TM+ Pro

Remotely monitor and control horticulture automation systems for your growth facilities. Features a new UI, historical charts, customizable device displays, and a logbook for tracking plant data. Connect with a community of growers and access support resources.

Highlights
  • Remote access to control systems
  • Historical data charting
  • Customizable device naming and photos
  • Plant growth logbook
  • Grower community and forum
  • Controller sharing with authorization
Features
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TM+ Pro offers you remote access and control of the TrolMaster control systems: Green-X,Tent-X,Hydro-X,Hydro-X Pro,Hydro-X Plus, Aqua-X,Aqua-X Pro,Aqua-X Plus, Carbon-X and Hawkeye. The controllers and control systems provide the ultimate solution for horticulture automation, enabling you to monitor and control every aspect of your growth facilities anywhere, anytime. This new and advanced version is a major upgrade and improvement featuring: New UI: Clear and friendly user experience. Historical Chart: All historical data will be presented in one graph, making it easier to compare the data collected. New devices display customization: You can individually rename and add photos on all devices in the App for better management. New Logbook function: Allows you to track your plant stages, time and date. Log the plant data such as Environment and feeding parameters; plant information and room setup details. New Community page: Follow your favorite growers. Share your logbook and view other grower’s logbooks, a more user-friendly Forum. New Support page: Featuring “Product Learning” “Help” page with FAQ and Q&A. Forum: You can also share, like, comment, and post questions or any thoughts in Community, a place where growers can share ideas and grow together. Sharing controller: Owner can share his controllers with other user accounts. Giving the ability to authorize multiple accounts to access the same controller.

Screenshots

OpenSprinkler3 screens
TM+ Pro4 screens

Verdict

The call

The clearest difference is rating: OpenSprinkler at 3.9 against TM+ Pro's 3.1. OpenSprinkler also leads on review sentiment (63% vs 32%). TM+ Pro's advantage is ratings volume (97 vs 29) and iOS requirement (13.0 vs 15.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

OpenSprinkler holds the better App Store score, 3.9 against 3.1. Both are backed by a comparable volume of ratings — 29 and 97 respectively. Written reviews point the same way: 63% of OpenSprinkler's written reviews are positive against 32% of TM+ Pro's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 19, 2026 and September 22, 2026 respectively.

Scorecard4 real differences · 6 level
OpenSprinkler versus TM+ Pro: the parameters behind the verdict, then further details
ParameterOpenSprinklerTM+ Pro
PriceFreeFree
Rating3.9 (29 ratings) — better3.1 (97 ratings)
Positive reviews63.0% of reviews — better32.4% of reviews
Number of ratings2997 — better
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size6 MB122 MB
Age rating4+17+
DeveloperOpenThingsTrolMaster Agro Instruments Co., Limited

Customer experience

OpenSprinkler

All ratings29 ratings
Positive72.4%
Neutral10.3%
Negative17.2%
Written reviews46 reviews
Positive63.0%
Neutral13.0%
Negative23.9%

TM+ Pro

All ratings97 ratings
Positive49.5%
Neutral8.2%
Negative42.3%
Written reviews34 reviews
Positive32.4%
Neutral11.8%
Negative55.9%

In-app purchases

None

OpenSprinkler

No in-app purchases

None

TM+ Pro

No in-app purchases

Questions

Is OpenSprinkler free?
OpenSprinkler is free to download, with no in-app purchases.
Is TM+ Pro free?
TM+ Pro is free to download, with no in-app purchases.
Which has better reviews, OpenSprinkler or TM+ Pro?
OpenSprinkler is rated higher. OpenSprinkler averages 3.9 out of 5 from 29 ratings, while TM+ Pro averages 3.1 from 97 ratings.
Do OpenSprinkler or TM+ Pro have ads?
Neither OpenSprinkler nor TM+ Pro shows ads.
Which is updated more often, OpenSprinkler or TM+ Pro?
OpenSprinkler ships an update every 2 months, and TM+ Pro every 2 months. Most recently, OpenSprinkler was updated on September 19, 2026 and TM+ Pro on September 22, 2026.

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